There's a workaround by dell's support in this webpage http://blog.higherthings.org/borghardt/article/3633.html You should blacklist the video module. It worked for me.
German. -- brightness recently (more) broken on Dell XPS M1330 https://bugs.launchpad.net/bugs/299300 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
